[As if on cue, he gets both hands planted on the edge of the pool and presses, lifting his body straight up from the water and landing his ass on the concrete surrounding it. Leaning back a bit, he grabs the towel and drapes it over his back like a cape, trying to dry himself off a bit as his feet anxiously bang against the interior lining of the pool.]

Why would a pool cleaning robot have a self destruct sequence?

[Well, to be fair here, the station's had some pretty sketchy and nefarious things on it. It's not out of the question, but it does turn his eyes onto the robot.]

He ate up all that gunk... there had to have been a literal shit ton of it, so like... where'd it all go? You think it's got some sorta energ---

Oh. Dude. It probably turns the waste into energy to keep itself goin'. Maybe a clog is stopping him from doing that.